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unknown - Public Domain
Unknown -
original uploader - Public Domain
Slowking4 -
Anonymous -
William James Prater - Public Domain
Michaël Bemelmans - CC BY-SA 4.0
Public Domain
User Perl - Public Domain
Raffi Asdourian - CC BY 2.0
W. N. Fergusson - Public Domain
William Smith Pelletreau - Public Domain
SFS Communications - CC BY 2.0
Boberger - CC BY-SA 3.0
Atick90 - CC BY-SA 4.0
Nv8200p - CC BY-SA 3.0
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unknown - Public Domain
Ostell, John, 1813-1892
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Unknown -
Ribeiro, Aquilino, 1885-1963
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original uploader - Public Domain
Jameson, Mrs. (Anna), 1794-1860
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Farrington, Wallace R. (Wallace Rider), 1871-1933
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Kynaston, Edward, 1643-1712
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Toland, Gregg
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Purdom, Edmund, 1924-2009
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Hinkel, Hans, 1901-....
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Tennent, Madge
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Barto, Emily N. (Emily Newton), 1886 or 1896-1968
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Slowking4 -
Trethewey, Natasha D., 1966-
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Anonymous -
Huszár, Vilmos, 1884-1960
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William James Prater - Public Domain
Teichert, Minerva Kohlhepp, 1888-1976
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Thompson, Hank, 1925-1969
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Michaël Bemelmans - CC BY-SA 4.0
Balutin, Jacques
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unknown - Public Domain
Brunner, Heinrich, 1840-1915
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Public Domain
Scott, Harvey W. (Harvey Whitefield), 1838-1910
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Public Domain
National Library of Medicine (U.S.)
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User Perl - Public Domain
Peabody, George, 1795-1869
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Raffi Asdourian - CC BY 2.0
Anderson, Wes, 1969-....
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W. N. Fergusson - Public Domain
Brooke, John Weston, 1880-1908
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William Smith Pelletreau - Public Domain
Wood, Silas, 1769-1847
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SFS Communications - CC BY 2.0
Sorvino, Mira
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Boberger - CC BY-SA 3.0
Forslund, Bengt, 1932-
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Hooke, N. (Nathaniel), 1690?-1763
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Callistus III, Pope, 1378-1458
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Public Domain
Scherer, Paul, 1892-1969
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Atick90 - CC BY-SA 4.0
Stern, Guy, 1922-....
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Loewe, Frederick, 1901-1988
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Nv8200p - CC BY-SA 3.0
Cronin, Doreen